C.1 BACKGROUND ON BASIC TEST STATISTICSC.2 BACKGROUND FROM THE THEORY OF LINEAR MODELSC.3 IMPORTANT RESULTS ON SS R AND SS RESC.4 GAUSS–MARKOV THEOREM, VAR(ε) = σ2IC.5 COMPUTATIONAL ASPECTS OF MULTIPLE REGRESSIONC.6 RESULT ON THE INVERSE OF A MATRIXC.7 DEVELOPMENT OF THE PRESS STATISTICC.8 DEVELOPMENT OF S2(i)C.9 OUTLIER TEST BASED ON R-STUDENTC.10 INDEPENDENCE OF RESIDUALS AND FITTED VALUESC.11 GAUSS-MARKOV THEOREM, VAR(ε) = VC.12 BIAS IN MS RES WHEN THE MODEL IS UNDERSPECIFIEDC.13 COMPUTATION OF INFLUENCE DIAGNOSTICSC.14 GENERALIZED LINEAR MODELS